Home / 34,536.51-47,658.65-20,386.62

Finding the Fourth Proportional to 34,536.51, 47,658.65 and 20,386.62

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Solution

The fourth proportional to 34,536.51, 47,658.65 and 20,386.62 is: 28,132.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,536.51 : 47,658.65 = 20,386.62 : x
  2. Step 2: Convert to fraction form
    34,536.51/47,658.65 = 20,386.62/x
  3. Step 3: Cross multiply
    34,536.51x = 47,658.65 × 20,386.62
  4. Step 4: Simplify right side
    34,536.51x = 971,598,685.33
  5. Step 5: Solve for x
    x = 971,598,685.33/34,536.51
  6. Step 6: Final answer
    x = 28,132.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.